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620075157 = 31315899363
BaseRepresentation
bin100100111101011…
…001100010010101
31121012210002012120
4210331121202111
52232214401112
6141310210153
721236360202
oct4475314225
91535702176
10620075157
1129901a709
121537b3959
139b6072a0
145c4d0ca9
1539685e8c
hex24f59895

620075157 has 8 divisors (see below), whose sum is σ = 890364384. Its totient is φ = 381584688.

The previous prime is 620075083. The next prime is 620075161. The reversal of 620075157 is 751570026.

620075157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620075157 - 223 = 611686549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620075557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949643 + ... + 7949720.

It is an arithmetic number, because the mean of its divisors is an integer number (111295548).

Almost surely, 2620075157 is an apocalyptic number.

It is an amenable number.

620075157 is a deficient number, since it is larger than the sum of its proper divisors (270289227).

620075157 is a wasteful number, since it uses less digits than its factorization.

620075157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899379.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 620075157 is about 24901.3083391215. The cubic root of 620075157 is about 852.7363520525.

The spelling of 620075157 in words is "six hundred twenty million, seventy-five thousand, one hundred fifty-seven".

Divisors: 1 3 13 39 15899363 47698089 206691719 620075157